Stern Defense 45 ACP barrel for AR-15 platforms. 16.1" length with 1:16 twist rate, threaded .578-28". 4150 chrome-moly steel with Melonite coating. Made in the U.S.A.
Fits: AR-15
This purpose-built 45 ACP barrel brings the stopping power of a classic cartridge to the AR-15 platform. Manufactured from 4150 chrome-moly steel and finished with a durable Melonite coating, it delivers the reliability and longevity you expect from quality American-made components.
The 1:16 twist rate is optimized for 45 ACP projectiles, ensuring consistent accuracy across a wide range of bullet weights. The Melonite finish provides superior corrosion resistance compared to standard parkerizing, making this barrel suitable for both range work and defensive applications.
The 16.1" length strikes a balance between velocity and handling, making it ideal for shooters who want the power of 45 ACP in a compact, maneuverable package. Compatible with standard AR-15 upper receivers and accessories.